time64.h

   1 #include <time.h>
   2 #include "time64_config.h"
   3
   4 #ifndef TIME64_H
   5 #    define TIME64_H
   6
   7
   8 /* Set our custom types */
   9 typedef INT_64_T        Int64;
  10 typedef Int64           Time64_T;
  11 typedef I32             Year;
  12
  13
  14 /* A copy of the tm struct but with a 64 bit year */
  15 struct TM64 {
  16         int     tm_sec;
  17         int     tm_min;
  18         int     tm_hour;
  19         int     tm_mday;
  20         int     tm_mon;
  21         Year    tm_year;
  22         int     tm_wday;
  23         int     tm_yday;
  24         int     tm_isdst;
  25
  26 #ifdef HAS_TM_TM_GMTOFF
  27         long    tm_gmtoff;
  28 #endif
  29
  30 #ifdef HAS_TM_TM_ZONE
  31 #  ifdef __GLIBC__
  32         const char    *tm_zone;
  33 #  else
  34         char    *tm_zone;
  35 #  endif
  36 #endif
  37 };
  38
  39
  40 /* Decide which tm struct to use */
  41 #ifdef USE_TM64
  42 #define TM      TM64
  43 #else
  44 #define TM      tm
  45 #endif
  46
  47
  48 /* Declare functions */
  49 static struct TM *S_gmtime64_r    (const Time64_T *, struct TM *);
  50 static struct TM *S_localtime64_r (const Time64_T *, struct TM *);
  51 static Time64_T   S_timegm64      (struct TM *);
  52
  53
  54 /* Not everyone has gm/localtime_r(), provide a replacement */
  55 #ifdef HAS_LOCALTIME_R
  56 #    define LOCALTIME_R(clock, result) (L_R_TZSET localtime_r(clock, result))
  57 #else
  58 #    define LOCALTIME_R(clock, result) (L_R_TZSET S_localtime_r(clock, result))
  59 #endif
  60 #ifdef HAS_GMTIME_R
  61 #    define GMTIME_R(clock, result)    gmtime_r(clock, result)
  62 #else
  63 #    define GMTIME_R(clock, result)    S_gmtime_r(clock, result)
  64 #endif
  65
  66 #endif